77898040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5711}}^1$

素因数の和:5764

約数の個数: 64

約数和(自身を含む): 197406720

約数和(自身を除く): 119508680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 5711, 6820, 11422, 13640, 22844, 28555, 45688, 57110, 62821, 114220, 125642, 177041, 228440, 251284, 314105, 354082, 502568, 628210, 708164, 885205, 1256420, 1416328, 1770410, 1947451, 2512840, 3540820, 3894902, 7081640, 7789804, 9737255, 15579608, 19474510, 38949020, 77898040]

約数ペア:

[(1, 77898040), (2, 38949020), (4, 19474510), (5, 15579608), (8, 9737255), (10, 7789804), (11, 7081640), (20, 3894902), (22, 3540820), (31, 2512840), (40, 1947451), (44, 1770410), (55, 1416328), (62, 1256420), (88, 885205), (110, 708164), (124, 628210), (155, 502568), (220, 354082), (248, 314105), (310, 251284), (341, 228440), (440, 177041), (620, 125642), (682, 114220), (1240, 62821), (1364, 57110), (1705, 45688), (2728, 28555), (3410, 22844), (5711, 13640), (6820, 11422)]